145999756 has 12 divisors (see below), whose sum is σ = 291999568. Its totient is φ = 62571312.

The previous prime is 145999747. The next prime is 145999771. The reversal of 145999756 is 657999541.

145999756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

145999756 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 145999697 and 145999706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2607111 + ... + 2607166.

Almost surely, 2^145999756 is an apocalyptic number.

It is an amenable number.

145999756 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145999756 is a wasteful number, since it uses less digits than its factorization.

145999756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214288 (or 5214286 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 55.

The square root of 145999756 is about 12083.0358767985. The cubic root of 145999756 is about 526.5634494801.

The spelling of 145999756 in words is "one hundred forty-five million, nine hundred ninety-nine thousand, seven hundred fifty-six".